Boss GX-100; Multi Effects Pedal for Electric Guitar & Bass; Authentic tube amp sound with realistic response thanks to AIRD technology; 200 presets; 23 amp types and over 150 BOSS effects; versatile amp/effect routing with 15 assignable blocks; many speaker types & import capability of custom WAV impulse responses; freely assignable integrated control footswitch and expression pedal with toe switch; send/return loop for external pedals in four-cable setups; stereo jack Amp Control switch output; computer editing with BOSS Tone Studio for macOS & Windows; Optional Bluetooth Audio MIDI Dual Adapter for editing sounds and streaming audio via iOS and Android mobile devices ( item number: #522827 - not included); Controls: 1,2,3,4, Select, Output Level; Push Buttons: Page Up/Down, Effects, CTL/EXP, Menu/ Exit, Write, In/Out Settings; Switches: Ground Lift; LED: 1, 2, 3, 4, C1, Bank Up/Down, C2/Tuner, EXP 1 SW; Footswitches: 1, 2, 3, 4, C1, Bank Up/Down, C2/Tuner, EXP 1 SW; Connections: Input (1/4" Jack), L&R Output (2 x 1/4" Jack), Phones (1/4" TRS-Jack), FX Send & Return (2 x 1/4" Jack), AMP CTL 1, 2 (1/4" TRS-Jack), CTL 3, 4/EXP 2 (1/4" TRS-Jack), Midi In & Out; Power Supply connector: Barrel Connector 5.5 x 2.1 mm, center negative; Current Draw: 1200 mA; powered by a 9 V DC Power Supply (not included); suitable optional Power Supply: Item no. #409939; Dimensions (W x D x H): 490 x 193 x 73 mm (19,29" x 7,6" x 2,87"); Weight: 3500 g (7,72 lbs); Note: Battery operation is not supported